The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
A target, per the source: "Bogotá Mayor Carlos Fernando Galán has confirmed that the first passengers will be able to ride Line 1 of the Metro on March 15, 2028," with construction 60% complete as of mid-2025.
Colombia One could not be fetched due to a network restriction, but its headline, "Bogota Metro Gets a Launch Date", and 2 September 2026 publish date corroborate the mayor's announced date reported by Wikipedia[3], matching the pin's stored 15 March 2028 date.
Wikipedia confirms that in 2026 "Bogotá's mayor Carlos Fernando Galan announced that Line 1 would begin operations on 15 March 2028", matching the pin's stored date exactly.
Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.